A Three-step Kalman Filter Algorithm for Near Real-time Estimating Tropospheric Wet Delay on GPS Reference Stations
-
摘要: 利用参考站坐标已知的先验信息,基于组合后的超快星历,提出了一种参考站对流层湿延迟近实时估计的三步Kalman滤波算法,该方法先利用Kalman滤波分离宽巷模糊度与伪距多路径误差,再基于电离层无关组合模型,启动Kalman滤波器进行犔１?扔胂喽远粤鞑闶映俚姆掷耄缓罄媒饭潭ǖ臓蹋彼钅:冉谢卮姆椒ǎ匦鹿菇ǎ耍幔欤恚幔盥瞬ㄆ骼垂兰谱既返南喽远粤鞑闶映俨问ü道橹ち烁梅椒ǖ目尚行院驼沸浴€Abstract: Usingprioriinformationfromknowncoordinatesforreferencestations,basedontacombi nationofultrarapidephemeris,athree stepkalmanfilteralgorithmfornearreal timeestimationoftroposphericwetdelayonreferencestationsisproposed.Inthisalgorithm,widelaneambiguityandpseudorangemultipatherrorareseparatedbyusingaKalmanfilter,andthen,usingtheKalmanfilterforseparating犔１ａｍｂｉｇｕｉｔｙａｎｄｔｒｏｐｏｓｐｈｅｒｉｃｗｅｔｄｅｌａｙｂａｓｅｄｏｎｎａｉｏｎｏｓｐｈｅｒｅｆｒｅｅｃｏｍｂｉｎａｔｉｏｎｍｏｄ el.Afterthatestimatinganaccuraterelativetroposphericwetdelayparameterusingthecorrectlyfixed犔１ａｍｂｉｇｕｉｔｙｂａｃｋｓｕｂｓｔｉｔｕｔｉｏｎｍｅｔｈｏｄａｎｄｒｅｂｕｉｌｄｉｎｇｔｈｅＫａｌｍａｎｆｉｌｔｅｒ．Ｔｈｅｆｅａｓｉｂｉｌｉｔｙａｎｄａｃ curacyofthealgorithmisverifiedthroughnumericalexamples.
-
Key words:
- GPSreferencestations /
- ultrarapidephemeris /
- troposphericwetdelay /
- Kalmanfilter /
- inte gerambiguity
-
[1] LiB,FengY,ShenY,etal.Geometry SpecifiedTroposphereDecorrelationforSubcentimeterReal TimeKinematicSolutionsoverLongBaselines[J].犑狅狌狉狀犪犾狅犳犌犲狅狆犺狔狊犻犮犪犾犚犲狊犲犪狉犮犺：犛狅犾犻犱犈犪狉狋犺，2010,115,B11404[2] DaiL,WangJ,RizosC,etal.PredictingAtmos phericBiasesforReal TimeAmbiguityResolutioninGPS/GLONASSReferenceStationNetworks[J].犑狅狌狉狀犪犾狅犳犌犲狅犱犲狊狔，２００３，７６（１１／１２）：６１７６２８[3] ZinasN,ParkinsA,ZiebartM.ImprovedNet work BasedSingle EpochAmbiguityResolutionU singCentralizedGNSSNetworkProcessing[J].犌犘犛犛狅犾狌狋犻狅狀狊，２０１３，１７（１）：１７２７[4] TakasuT,YasudaA.Kalman Filter BasedIntegerAmbiguityResolutionStrategyforLong BaselineRTKwithIonosphereandTroposphereEstimation[C].Proceedingsofthe23rdInternationalTechni calMeetingoftheSatelliteDivisionoftheInstituteofNavigation,Portland,Oregon,2010[5] ShenXuefeng,GaoChengfa,PanShuguo.AlgorithmforNetworkRTK(VRS)BasedonStarStructure [J].犃犮狋犪犌犲狅犱犪犲狋犻犮犪犲狋犆犪狉狋狅犵狉犪狆犺犻犮犪犛犻狀犻犮犪，２０１２，４１（１）：３３４０（沈雪峰，高成发,潘树国.基于星型结构的虚拟参考站网络实时动态测量关键算法研究[J].测绘学报,2012,41(1):33 40)[6] YangLing,ShenYunzhong,LiBofeng.AdaptiveFilterforComputingTroposphericDelayonGNSSReferenceStations[C].CPGPS2010NavigationandLocationServices:EmergingIndustryandIn ternationalExchanges,Shanghai,2010[7] YangY,HatchRR,SharpeRT.GPSMultipathMitigationinMeasurementDomainandItsApplica tionsforHighAccuracyNavigation[C].ProceedingsoftheIONGNSSLongBeach,California,2004[8] FanJianjun,YongShaowei,WangFeixue.StudyonMultipathMitigationandDual FrequencyFastAm biguityEstimationBasedonKalmanFilter[J].犑狅狌狉 狀犪犾狅犳犈犾犲犮狋狉狅狀犻犮狊牔犐狀犳狅狉犿犪狋犻狅狀犜犲犮犺狀狅犾狅犵狔，２００８，３０（５）：１０７５１０７９（范建军，雍少为，王飞雪．基于卡尔曼滤波的多径误差消除及双频?瓤焖俟兰品窖芯浚郏剩荩缱佑胄畔⒀П?2008,30(5):1075 1079)[9] MengLingpo,WuJie.ResearchonAmbiguityDy namicResolutionUsingDualFrequencySingle Ep ochData[J].犑狅狌狉狀犪犾狅犳犖犪狋犻狅狀犪犾犝狀犻狏犲狉狊犻狋狔狅犳犇犲犳犲狀狊犲犜犲犮犺狀狅犾狅犵狔．２０１０，３２（１）：３４３９（孟领坡，吴杰．双频去相关单历元动态解算整周?妊芯縖J].国防科技大学学报,2010,32(1):34 39)[10] LiZhenghang,ZhangXiaohong.NewTechniquesandPreciseDataProcessingMethodsofSatelliteNavigationandPositioning[M].Wuhan:WuhanU niversityPress,2009(李征航,张小红.卫星导航定位新技术及高精度数据处理方法[M].武汉:武汉大学出版社,2009)[11] XuShaoguang,XiongYongliang,LiuNing.etal.Re al timePWVObtainedbyGroundGPS[J].犌犲狅犿犪狋 犻犮狊犪狀犱犐狀犳狅狉犿犪狋犻狅狀犛犮犻犲狀犮犲狅犳犠狌犺犪狀犝狀犻狏犲狉狊犻狋狔，２０１１，３６（４）：４０７４１１（徐韶光，熊永良，刘宁，等．利用地基ＧＰＳ获取实时可降水量［Ｊ］．武汉大学学报·信息科学版),2011,36(4):407 411)[12] DengJian,WangQing,PanShuguo.FastIntegerAmbiguityResolutionMethodforlowElevationSat ellitesinNetworkRTKReferenceStations[J].犆犺犻狀犲狊犲犑狅狌狉狀犪犾狅犳犛犮犻犲狀狋犻犳犻犮犐狀狊狋狉狌犿犲狀狋，２０１０，３１（６）：１２０１１２０６（邓健，王庆，潘树国．网络ＲＴＫ参考站间低仰角卫星?瓤焖俳馑惴椒ǎ郏剩荩瞧饕潜硌Пǎ玻埃保埃常保ǎ叮海保玻埃豹玻保玻埃叮13] KeFuyang,WangQing,PanShuguo.ResearchonlongBaselineAmbiguityResolutionofNetworkRTK[J].犑狅狌狉狀犪犾狅犳犌犲狅犱犲狊狔犪狀犱犌犲狅犱狔狀犪犿犻犮狊，２０１２，３２（５）：７２７７（柯窺簦跚欤耸鞴纾遥裕顺せ吣:冉馑惴椒ㄑ芯浚郏剩荩蟮夭饬坑氲厍蚨ρВ玻埃保玻常玻ǎ担海罚勃玻罚罚? -
点击查看大图
计量
- 文章访问数: 955
- HTML全文浏览量: 9
- PDF下载量: 487
- 被引次数: 0
下载:
